Nortel-networks Circuit Card Instrukcja Użytkownika Strona 32

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Page 32 of 906 Overview
553-3001-211 Standard 3.00 August 2005
configure the card according to instructions issued by the system
report back to the system information such as card identification (type,
vintage, and serial number), firmware version, and programmed
configuration status)
Intelligent Peripheral Equipment
IPE line cards all have a similar architecture. Figure 2 on page 34 shows a
typical IPE line card architecture. The various line cards differ only in the
number and types of line interface units.
The switch communicates with IPE modules over two separate interfaces.
Voice and signaling data are sent and received over DS-30X loops, and
maintenance data is sent over a separate asynchronous communication link
called the card LAN link.
Signaling data is information directly related to the operation of the telephone
line. Some examples of signaling commands include:
off-hook/on-hook
Table 3
IPE module architecture
Parameter IPE
Card Dimensions 31.75 x 25.4 x 2.2 cm.
(12.5 x10.0 x 0.875 in.)
Network Interface DS-30X Loops
Communication Interface card LAN Link
Microcontroller 8031 / 8051 Family
Peripheral
Interface card
NT8D01 Controller card
Network Interface card NT8D04 Superloop Network card
Modules NT8D37 IPE module
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